Bump version to 1.11.0 for the official release.

This proposes following items:

LayerManagerControl: remove surface create and destroy api's
ivi-application: introduce new helper library
LayerManagerControl: add two subcmd for add/remove a surface to/from a layer.
ivi-controller: Correction ilm_takeScreenshot surface.
ivi-input: support touch and pointer on subsurface
ilmControl: destroy ivi-input-controller proxy at shutdown
ilmControl: free seat_contexts when wayland_context is destroyed
ilmControl: free accepted_seats when a surface is destroyed
ivi-controller: simplify screen/layer_set_render_order

Signed-off-by: Wataru Natsume [email protected]